Independent and Dependent Variables
A variable that is the "effect" in a situation.
Dependent Variable
What quadrant is (2, -2) in?
Quadrant IV
3 --> 12
5 --> 20
11 -> 44
6 --> ?
24
Which ordered pair would be on the graph of the equation y = x + 3?
A) (10, 7)
B (10, 13)
C) (13, 10)
B) (10,13)
Write the equation that is represented below:
x --> y
20 --> 40
30 --> 60
40 --> 80
50 --> 100
y = 2x
The dependent variable is typically shown on which axis?
y-axis
What quadrant is (-5, -5) located in?
Quadrant III
20 --> 40
10 --> 30
80 --> 100
70 --> ?
90
A) (0, 5)
B) (25, 5)
C) (5, 25)
D) (10, 25)
C) (5, 25)
Write an equation to express y in terms of x:
x --> y
1 --> 3
2 --> 6
3 --> 9
4 --> 12
y = 3x
The amount of cakes Lazaro can make, depends on how much sugar he has. The amount of cakes made is which variable?
Dependent Variable
What axis is (0, 4) located on?
y-axis
8 --> 4
16--> 8
32 -->?
16
Which ordered pair is a solution to the equation y = x/4?
A) (16, 4)
B) (4, 4)
C) (1, 4)
A) (16, 4)
Write an equation to express y in terms of x:
x --> y
5 --> 1
50 --> 10
25 --> 5
y = x/5
A biker rides 12 miles in 1 hour. The distance depends on how long they bike for. What is the independent variable?
Time (h)
What is the distance between (1, 4) and (6, 4)?
5 units
3 --> 10
4 --> 13
5 --> 16
9 --> ?
28
Which ordered pair is a solution of the equation y=2x+5?
A) (3,11)
B) (2,7)
C) (1,6)
A) (3,11)
Write an equation to express y in terms of x:
x --> y
4 --> 18
3 --> 14
12 --> 50
y = 4x + 2
Justin is selling tickets to a show. Each ticket is $12. What are the independent and dependent variables in this situation?
Independent: Amount of tickets sold
Dependent: Amount of money Justin makes
What is the distance between (-3, -5) and (-3, 8)?
13 units
12 --> 5
18 --> 7
9 --> 4
24 --> ?
9
Which ordered pair is a solution to the equation y = x2 + 6?
A) (6, 43)
B) (2, 9)
C) (7, 55)
C) (7, 55)
Write an equation to express y in terms of x:
x --> y
33 --> 10
42 --> 13
75 --> 24
y = x/3 - 1